IMHO.

SHADOWBOX: Mausoleum of Natural History vs Astronomy3D: Artemis II

SHADOWBOX: Mausoleum of Natural History and Astronomy3D: Artemis II both land in Indie, Simulation, Casual on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Indie, Simulation, Casual on Steam. SHADOWBOX: Mausoleum of Natural History (2024) is 2 years older than Astronomy3D: Artemis II (2026). SHADOWBOX: Mausoleum of Natural History is free; Astronomy3D: Artemis II is paid (Price unknown). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.

Which should you pick?

Choose SHADOWBOX: Mausoleum of Natural History

Choose SHADOWBOX: Mausoleum of Natural History if you want a Free To Play, Education, and Early Access game with DualShock Controller Support and DualSense Controller Support. On Steam, it's free to play, so the barrier to trying it is zero. SHADOWBOX: Mausoleum of Natural History launched in 2024.

Choose Astronomy3D: Artemis II

Choose Astronomy3D: Artemis II if you want an Adventure game with Playable without Timed Input and #category_playable_at_your_own_pace. Astronomy3D: Artemis II launched in 2026.

Both SHADOWBOX: Mausoleum of Natural History and Astronomy3D: Artemis II sit in Indie, Simulation, and Casual on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.

Side-by-side comparison

SHADOWBOX: Mausoleum of Natural History vs Astronomy3D: Artemis II — Steam metadata comparison
SHADOWBOX: Mausoleum of Natural History — Steam game coverSHADOWBOX: Mausoleum of Natural HistoryAstronomy3D: Artemis II — Steam game coverAstronomy3D: Artemis II
Released20242026
GenresIndie, Simulation, Free To Play, Casual, Education, Early AccessIndie, Adventure, Simulation, Casual
PlatformsWindowsWindows, macOS
Steam DeckUnratedUnrated
PriceFree to playPrice unknown
Steam reviews84.2% positive (19 reviews)—
MultiplayerSingle-player onlySingle-player only
DevelopersParent-Teacher Guide to Paleontology4AI

Side by side

SHADOWBOX: Mausoleum of Natural History vs Astronomy3D: Artemis II — FAQ

Should I play SHADOWBOX: Mausoleum of Natural History or Astronomy3D: Artemis II first?
If you want chronology, SHADOWBOX: Mausoleum of Natural History (2024) came out before Astronomy3D: Artemis II (2026). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
Are SHADOWBOX: Mausoleum of Natural History and Astronomy3D: Artemis II similar?
They overlap on Indie, Simulation, Casual on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
Is SHADOWBOX: Mausoleum of Natural History free?
Yes — SHADOWBOX: Mausoleum of Natural History is a free-to-play Steam title. Astronomy3D: Artemis II is paid (Price unknown).